49550561390 has 64 divisors (see below), whose sum is σ = 98006293440. Its totient is φ = 17887779840.

The previous prime is 49550561381. The next prime is 49550561399. The reversal of 49550561390 is 9316505594.

It is an interprime number because it is at equal distance from previous prime (49550561381) and next prime (49550561399).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49550561399) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16687826 + ... + 16690794.

It is an arithmetic number, because the mean of its divisors is an integer number (1531348335).

Almost surely, 2^49550561390 is an apocalyptic number.

49550561390 is a deficient number, since it is larger than the sum of its proper divisors (48455732050).

49550561390 is a wasteful number, since it uses less digits than its factorization.

49550561390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037.

The product of its (nonzero) digits is 729000, while the sum is 47.

The spelling of 49550561390 in words is "forty-nine billion, five hundred fifty million, five hundred sixty-one thousand, three hundred ninety".